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Audio Visual Aids and Communication
A Lecture By
Mr. Allah Dad Khan Visiting Professor The University of
Agriculture Peshawar
1. Films2. Filmstrips'3. Opaque Projector4. Overhead Projector 5. Slide Projector6. Microscope
Projected Aids
Definition The name comes from the fact that the
projected image is behind and over the head of the speaker
Overhead Projector
A slide projector is an opto-mechanical device for showing photographic slides.
35 mm slide projectors, direct descendants of the larger-format magic lantern, first came into widespread use during the 1950s as a form of occasional home entertainment; family members and friends would gather to view slide shows, which typically consisted of slidessnapped during vacations and at family events
Slide Projector